23.	Concentrations

Approximately 66%, 67% and 66% of total U.S. dialysis services revenues in 2015, 2014 and 2013, respectively, are from government-based programs, principally Medicare and Medicaid. Related net accounts receivable and other receivables from Medicare, including Medicare-assigned plans, and Medicaid, including Medicaid-assigned plans, were approximately $827,258 and $705,532, as of December 31, 2015 and 2014, respectively.

Approximately 70%, 71% and 69% of HCP’s revenues in 2015, 2014 and 2013, respectively, are from government-based programs, principally Medicare and Medicaid. Approximately 61%, 64% and 67% for 2015, 2014 and 2013, respectively, of HCP’s capitated medical revenues are associated with three health plans. In addition, approximately 71% and 73% at December 31, 2015 and 2014, respectively, of HCP’s capitated accounts receivables are associated with three health plans.

There is no single commercial payor that accounted for more than 10% of total consolidated accounts receivable at December 31, 2015 and 2014.